A comma and a conjunction always work well but it really depends on the sentences you are combining.
Answer:[Queen Cassiopeia] had boasted that she was more beautiful than the ... No one in his senses would have made such a proposal. Medusa ... It seemed that Perseus had been led by his angry pride into making an empty boast. No man unaided could kill Medusa. Which characteristics of a Greek hero does the excerpt show?
Explanation: MORE POWER
James is smarter than Steven. Since smarter is already used to show that James has a higher mental ability than Steven, there is no need for "more"
Advertisements and commercials have historically often received criticism for placing too much emphasis on physical beauty and having a negative impact on people's conceptions of self. The complaints against advertisements have only grown in recent years because of the distortions that are used in advertisements to make people look better than they actually look in person. So there are many strong arguments of the impact that media and advertisements have had on societies conception of beauty today and historically.
